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/*-
* Copyright (c) 2008 David E. O'Brien
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/compat/freebsd32/freebsd32_ioctl.c 225617 2011-09-16 13:58:51Z kmacy $");
#include "opt_compat.h"
#include <sys/param.h>
#include <sys/capability.h>
#include <sys/cdio.h>
#include <sys/fcntl.h>
#include <sys/filio.h>
#include <sys/file.h>
#include <sys/ioccom.h>
#include <sys/malloc.h>
#include <sys/mdioctl.h>
#include <sys/memrange.h>
#include <sys/pciio.h>
#include <sys/proc.h>
#include <sys/syscall.h>
#include <sys/syscallsubr.h>
#include <sys/sysctl.h>
#include <sys/sysent.h>
#include <sys/sysproto.h>
#include <sys/systm.h>
#include <compat/freebsd32/freebsd32.h>
#include <compat/freebsd32/freebsd32_ioctl.h>
#include <compat/freebsd32/freebsd32_proto.h>
/* Cannot get exact size in 64-bit due to alignment issue of entire struct. */
CTASSERT((sizeof(struct md_ioctl32)+4) == 436);
CTASSERT(sizeof(struct ioc_read_toc_entry32) == 8);
CTASSERT(sizeof(struct ioc_toc_header32) == 4);
CTASSERT(sizeof(struct mem_range_op32) == 12);
CTASSERT(sizeof(struct pci_conf_io32) == 36);
CTASSERT(sizeof(struct pci_match_conf32) == 44);
CTASSERT(sizeof(struct pci_conf32) == 44);
static int
freebsd32_ioctl_md(struct thread *td, struct freebsd32_ioctl_args *uap,
struct file *fp)
{
struct md_ioctl mdv;
struct md_ioctl32 md32;
u_long com = 0;
int i, error;
if (uap->com & IOC_IN) {
if ((error = copyin(uap->data, &md32, sizeof(md32)))) {
return (error);
}
CP(md32, mdv, md_version);
CP(md32, mdv, md_unit);
CP(md32, mdv, md_type);
PTRIN_CP(md32, mdv, md_file);
CP(md32, mdv, md_mediasize);
CP(md32, mdv, md_sectorsize);
CP(md32, mdv, md_options);
CP(md32, mdv, md_base);
CP(md32, mdv, md_fwheads);
CP(md32, mdv, md_fwsectors);
} else if (uap->com & IOC_OUT) {
/*
* Zero the buffer so the user always
* gets back something deterministic.
*/
bzero(&mdv, sizeof mdv);
}
switch (uap->com) {
case MDIOCATTACH_32:
com = MDIOCATTACH;
break;
case MDIOCDETACH_32:
com = MDIOCDETACH;
break;
case MDIOCQUERY_32:
com = MDIOCQUERY;
break;
case MDIOCLIST_32:
com = MDIOCLIST;
break;
default:
panic("%s: unknown MDIOC %#x", __func__, uap->com);
}
error = fo_ioctl(fp, com, (caddr_t)&mdv, td->td_ucred, td);
if (error == 0 && (com & IOC_OUT)) {
CP(mdv, md32, md_version);
CP(mdv, md32, md_unit);
CP(mdv, md32, md_type);
PTROUT_CP(mdv, md32, md_file);
CP(mdv, md32, md_mediasize);
CP(mdv, md32, md_sectorsize);
CP(mdv, md32, md_options);
CP(mdv, md32, md_base);
CP(mdv, md32, md_fwheads);
CP(mdv, md32, md_fwsectors);
if (com == MDIOCLIST) {
/*
* Use MDNPAD, and not MDNPAD32. Padding is
* allocated and used by compat32 ABI.
*/
for (i = 0; i < MDNPAD; i++)
CP(mdv, md32, md_pad[i]);
}
error = copyout(&md32, uap->data, sizeof(md32));
}
return error;
}
static int
freebsd32_ioctl_ioc_toc_header(struct thread *td,
struct freebsd32_ioctl_args *uap, struct file *fp)
{
struct ioc_toc_header toch;
struct ioc_toc_header32 toch32;
int error;
if ((error = copyin(uap->data, &toch32, sizeof(toch32))))
return (error);
CP(toch32, toch, len);
CP(toch32, toch, starting_track);
CP(toch32, toch, ending_track);
error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&toch,
td->td_ucred, td);
return (error);
}
static int
freebsd32_ioctl_ioc_read_toc(struct thread *td,
struct freebsd32_ioctl_args *uap, struct file *fp)
{
struct ioc_read_toc_entry toce;
struct ioc_read_toc_entry32 toce32;
int error;
if ((error = copyin(uap->data, &toce32, sizeof(toce32))))
return (error);
CP(toce32, toce, address_format);
CP(toce32, toce, starting_track);
CP(toce32, toce, data_len);
PTRIN_CP(toce32, toce, data);
if ((error = fo_ioctl(fp, CDIOREADTOCENTRYS, (caddr_t)&toce,
td->td_ucred, td))) {
CP(toce, toce32, address_format);
CP(toce, toce32, starting_track);
CP(toce, toce32, data_len);
PTROUT_CP(toce, toce32, data);
error = copyout(&toce32, uap->data, sizeof(toce32));
}
return error;
}
static int
freebsd32_ioctl_fiodgname(struct thread *td,
struct freebsd32_ioctl_args *uap, struct file *fp)
{
struct fiodgname_arg fgn;
struct fiodgname_arg32 fgn32;
int error;
if ((error = copyin(uap->data, &fgn32, sizeof fgn32)) != 0)
return (error);
CP(fgn32, fgn, len);
PTRIN_CP(fgn32, fgn, buf);
error = fo_ioctl(fp, FIODGNAME, (caddr_t)&fgn, td->td_ucred, td);
return (error);
}
static int
freebsd32_ioctl_memrange(struct thread *td,
struct freebsd32_ioctl_args *uap, struct file *fp)
{
struct mem_range_op mro;
struct mem_range_op32 mro32;
int error;
u_long com;
if ((error = copyin(uap->data, &mro32, sizeof(mro32))) != 0)
return (error);
PTRIN_CP(mro32, mro, mo_desc);
CP(mro32, mro, mo_arg[0]);
CP(mro32, mro, mo_arg[1]);
com = 0;
switch (uap->com) {
case MEMRANGE_GET32:
com = MEMRANGE_GET;
break;
case MEMRANGE_SET32:
com = MEMRANGE_SET;
break;
default:
panic("%s: unknown MEMRANGE %#x", __func__, uap->com);
}
if ((error = fo_ioctl(fp, com, (caddr_t)&mro, td->td_ucred, td)) != 0)
return (error);
if ( (com & IOC_OUT) ) {
CP(mro, mro32, mo_arg[0]);
CP(mro, mro32, mo_arg[1]);
error = copyout(&mro32, uap->data, sizeof(mro32));
}
return (error);
}
static int
freebsd32_ioctl_pciocgetconf(struct thread *td,
struct freebsd32_ioctl_args *uap, struct file *fp)
{
struct pci_conf_io pci;
struct pci_conf_io32 pci32;
struct pci_match_conf32 pmc32;
struct pci_match_conf32 *pmc32p;
struct pci_match_conf pmc;
struct pci_match_conf *pmcp;
struct pci_conf32 pc32;
struct pci_conf32 *pc32p;
struct pci_conf pc;
struct pci_conf *pcp;
u_int32_t i;
u_int32_t npat_to_convert;
u_int32_t nmatch_to_convert;
vm_offset_t addr;
int error;
if ((error = copyin(uap->data, &pci32, sizeof(pci32))) != 0)
return (error);
CP(pci32, pci, num_patterns);
CP(pci32, pci, offset);
CP(pci32, pci, generation);
npat_to_convert = pci32.pat_buf_len / sizeof(struct pci_match_conf32);
pci.pat_buf_len = npat_to_convert * sizeof(struct pci_match_conf);
pci.patterns = NULL;
nmatch_to_convert = pci32.match_buf_len / sizeof(struct pci_conf32);
pci.match_buf_len = nmatch_to_convert * sizeof(struct pci_conf);
pci.matches = NULL;
if ((error = copyout_map(td, &addr, pci.pat_buf_len)) != 0)
goto cleanup;
pci.patterns = (struct pci_match_conf *)addr;
if ((error = copyout_map(td, &addr, pci.match_buf_len)) != 0)
goto cleanup;
pci.matches = (struct pci_conf *)addr;
npat_to_convert = min(npat_to_convert, pci.num_patterns);
for (i = 0, pmc32p = (struct pci_match_conf32 *)PTRIN(pci32.patterns),
pmcp = pci.patterns;
i < npat_to_convert; i++, pmc32p++, pmcp++) {
if ((error = copyin(pmc32p, &pmc32, sizeof(pmc32))) != 0)
goto cleanup;
CP(pmc32,pmc,pc_sel);
strlcpy(pmc.pd_name, pmc32.pd_name, sizeof(pmc.pd_name));
CP(pmc32,pmc,pd_unit);
CP(pmc32,pmc,pc_vendor);
CP(pmc32,pmc,pc_device);
CP(pmc32,pmc,pc_class);
CP(pmc32,pmc,flags);
if ((error = copyout(&pmc, pmcp, sizeof(pmc))) != 0)
goto cleanup;
}
if ((error = fo_ioctl(fp, PCIOCGETCONF, (caddr_t)&pci,
td->td_ucred, td)) != 0)
goto cleanup;
nmatch_to_convert = min(nmatch_to_convert, pci.num_matches);
for (i = 0, pcp = pci.matches,
pc32p = (struct pci_conf32 *)PTRIN(pci32.matches);
i < nmatch_to_convert; i++, pcp++, pc32p++) {
if ((error = copyin(pcp, &pc, sizeof(pc))) != 0)
goto cleanup;
CP(pc,pc32,pc_sel);
CP(pc,pc32,pc_hdr);
CP(pc,pc32,pc_subvendor);
CP(pc,pc32,pc_subdevice);
CP(pc,pc32,pc_vendor);
CP(pc,pc32,pc_device);
CP(pc,pc32,pc_class);
CP(pc,pc32,pc_subclass);
CP(pc,pc32,pc_progif);
CP(pc,pc32,pc_revid);
strlcpy(pc32.pd_name, pc.pd_name, sizeof(pc32.pd_name));
CP(pc,pc32,pd_unit);
if ((error = copyout(&pc32, pc32p, sizeof(pc32))) != 0)
goto cleanup;
}
CP(pci, pci32, num_matches);
CP(pci, pci32, offset);
CP(pci, pci32, generation);
CP(pci, pci32, status);
error = copyout(&pci32, uap->data, sizeof(pci32));
cleanup:
if (pci.patterns)
copyout_unmap(td, (vm_offset_t)pci.patterns, pci.pat_buf_len);
if (pci.matches)
copyout_unmap(td, (vm_offset_t)pci.matches, pci.match_buf_len);
return (error);
}
int
freebsd32_ioctl(struct thread *td, struct freebsd32_ioctl_args *uap)
{
struct ioctl_args ap /*{
int fd;
u_long com;
caddr_t data;
}*/ ;
struct file *fp;
int error;
if ((error = fget(td, uap->fd, CAP_IOCTL, &fp)) != 0)
return (error);
if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
fdrop(fp, td);
return (EBADF);
}
switch (uap->com) {
case MDIOCATTACH_32: /* FALLTHROUGH */
case MDIOCDETACH_32: /* FALLTHROUGH */
case MDIOCQUERY_32: /* FALLTHROUGH */
case MDIOCLIST_32:
error = freebsd32_ioctl_md(td, uap, fp);
break;
case CDIOREADTOCENTRYS_32:
error = freebsd32_ioctl_ioc_read_toc(td, uap, fp);
break;
case CDIOREADTOCHEADER_32:
error = freebsd32_ioctl_ioc_toc_header(td, uap, fp);
break;
case FIODGNAME_32:
error = freebsd32_ioctl_fiodgname(td, uap, fp);
break;
case MEMRANGE_GET32: /* FALLTHROUGH */
case MEMRANGE_SET32:
error = freebsd32_ioctl_memrange(td, uap, fp);
break;
case PCIOCGETCONF_32:
error = freebsd32_ioctl_pciocgetconf(td, uap, fp);
break;
default:
fdrop(fp, td);
ap.fd = uap->fd;
ap.com = uap->com;
PTRIN_CP(*uap, ap, data);
return sys_ioctl(td, &ap);
}
fdrop(fp, td);
return error;
}